BALANCE SHEETS (Parenthetical) - shares	Dec. 31, 2024	Dec. 31, 2023
Statement of Financial Position [Abstract]
Shares authorized	625	625
Shares issued	332.2918	332.2918
Shares outstanding	332.2918	332.2918

The element represents llc membership interest shares outstanding.

No definition available.

Name:	cik0001409947_LlcMembershipInterestSharesOutstanding
Namespace Prefix:	cik0001409947_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant